<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			.flexbox{display: flex;justify-content: flex-end;}
			.box_bg{width: 100px;height: 100px;text-align: center;background: #FFB300;color: #FFFFFF;display: block;line-height: 100px;margin: 10px;}
		</style>
	</head>
	<body>
		<div class="flexbox">
			<div class="box_bg">1</div>
			<div class="box_bg">2</div>
			<div class="box_bg">3</div>
			<div class="box_bg">4</div>
		</div>
	</body>
</html>
